Removing the engine wiring harness for sensor system 2

Preliminary work 

• Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
• Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
• Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
• Refer to DEACTIVATING THE 48 V ELECTRICAL SYSTEM .
• Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
• Refer to REMOVING THE SEAL FOR THE HOOD REAR .
• Refer to REMOVING LEFT AND RIGHT WIPER ARM .
• Refer to REMOVING THE COWL COVER .
• Refer to REMOVING TRAILING LINK AT SPRING BOLT .
• Refer to REMOVING THE COWL UPPER PART IN THE CENTER .
• Refer to REMOVING THE CENTER BULKHEAD LOWER PART .
• Refer to REMOVING THE ACOUSTIC COVER .
• Refer to REMOVING ACOUSTIC COVER AT REAR .
• Refer to REMOVING THE DME CONTROL UNIT .
• Refer to REMOVING THE INTEGRATED SUPPLY MODULE (PDM) PARTIALLY .
• Refer to REMOVING THE CONTROL UNIT HOLDER .
• Refer to REMOVING THE COVER ON LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP .
• Refer to REMOVING BOTH FRONT-END STRUTS .
• Refer to REMOVING FRONT CROSS CONNECTION .
• Refer to REMOVING THE REAR TOP CROSS CONNECTION .
• Refer to REMOVING THE FAN COWL .
• Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
• Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
• Refer to REMOVING THE INTAKE FILTER HOUSING (TENSION STRUT ON SHOCK TOWER REMOVED) .
• Refer to REMOVING RESONATOR .
• Refer to REMOVING BOTTOM CLEAN AIR PIPE .
• Refer to DRAINING THE COOLANT FROM THE LOW-TEMPERATURE COOLING SYSTEM .
• Refer to CONNECTING THE COOLANT LINES FOR THE LOW-TEMPERATURE COOLANT CIRCUIT .
• Refer to REMOVING TANK VENT VALVE .
• Refer to REMOVING THE INTAKE PLENUM .

Engine wiring harness for sensor system 2

Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock and disconnect the plug connection (1) from the electric coolant pump (2).
• Loosen clamp (3).
• Feed out the engine wiring harness (4) for the sensor system 2 and set it aside.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock plug connection (1) and disconnect.
• Loosen nut (2).
• Pull out and remove the retainer (3).
• Feed out auxiliary coolant pump (4) and set aside.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock and disconnect plug connections (1).
• Unlock plug connection (2) and disconnect.
• Loosen nut (3).
• Release the clamps (arrows).
• Unlock the locks (4).
• Feed out the engine wring harness (5) for the sensor system 2 and set it aside.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Version A:

  Unlock and disconnect plug connections (1).

  Release the clamps (arrows).

  Feed out the engine wiring harness (2) for the sensor system 2 and set it aside.

  Courtesy of BMW OF NORTH AMERICA, INC.

  Unlock and disconnect plug connections (1).

  Release the clamps (arrows).

  Feed out the engine wiring harness (2) for the sensor system 2 and set It aside.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Unlock and disconnect plug connections (1).
• Unlock the connector (2) and disconnect the engine wiring harness (6) for the sensor system 2.
• Unlock plug connection (3) and disconnect.
• Loosen screw (4).
• Remove the differential pressure sensor (5) and put it to one side.
• Unlock the locks (arrows).
• Feed out the engine wiring harness (6) for the sensor system 2 and set it aside.

  Courtesy of BMW OF NORTH AMERICA, INC.

• Feed out and remove the engine wiring harness (1) for the sensor system 2.

  Courtesy of BMW OF NORTH AMERICA, INC.